How does Mounjaro compare to Wegovy in effectiveness?
Mounjaro is generally considered more effective for weight loss than Wegovy, with studies showing that people using Mounjaro lost up to 22.5% of their starting body weight after 72 weeks, compared to 15% with Wegovy after 68 weeks. Both are weekly injections that help reduce appetite, but Mounjaro works through two hormonal pathways, while Wegovy works through one. Wegovy may help you lose weight a bit faster in the first month, but over time, Mounjaro tends to lead to greater overall weight loss.
- Mounjaro users lost up to 22.5% of their starting weight after 72 weeks; Wegovy users lost up to 15% after 68 weeks.
- Both medications are weekly injections that suppress appetite and slow stomach emptying.
- Mounjaro acts on two hormones (GIP and GLP-1); Wegovy acts on one (GLP-1).
- Wegovy may show slightly quicker results in the first month, but Mounjaro leads to more weight loss long term.
- Both are licensed for weight loss in the UK and should be prescribed by a healthcare professional.
This text has been fact checked for accuracy by Alessandro Grenci, Superintendent Pharmacist at medino.